Use when reviewing CI coverage, automated checks, or test strategy related to Write unit tests. Focus on whether the rule is continuously verified, not just documented.
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tessl review fix ./skills/unit-tests/SKILL.mdUnit tests catch bugs before they reach production, serve as documentation for expected behavior, and give developers confidence to refactor code without breaking functionality.
Check if this codebase has unit tests with good coverage for critical functionality.
Write unit tests for untested functions and components to improve code reliability.
Explain how unit tests catch bugs early and serve as documentation for expected behavior.
Review tests, CI workflows, and enforcement points related to Write unit tests. Flag exact gaps where the rule is not automatically verified or where failures do not block regressions.
For full implementation details, code examples, and framework-specific guidance,
see references/rule.md.
Rule page: https://frontendchecklist.io/en/rules/testing/unit-tests
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